import random

local_time = 1642822630242/1000



import time

now_time = time.localtime(local_time)


dt = time.strftime("%Y-%m-%d %H:%M:%S", now_time)
print(dt)
def getUserName(txt):
    first_name=random.choice(txt)
    second_name = random.choice(txt)
    last_name = random.choice(txt)
    return first_name+second_name+last_name


list = ['还','谭','华','宝']
print(getUserName(list))